Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 12]

Aristos
Constraints	Provides interfaces for the evaluation of quantities related to the constraint function
DataPool	Provides the interface to a generic data pool
EpetraVector	The Aristos::Vector / Epetra_Vector adapter class
FeasStep	Provides the interface for the computation of the feasibility step, used in the quasi-normal step computation
HessVec	Provides the interface for the evaluation of Hessian-of-Lagrangian times vector products
LagMult	Provides the interface for the evaluation of Lagrange multipliers
Objective	Provides interfaces for the evaluation of quantities related to the objective function
SledgeVector	The Aristos::Vector / USEME::umDVec (Sledge) adapter class
SQPAlgo	Implements a trust-region (TR) sequential quadratic programming (SQP) algorithm for equality-constrained optimization
Vector	Provides the interface to generic abstract vector libraries
YUEpetraVector	The Aristos::Vector / (y,u) Epetra_MultiVector adapter class